[jira] [Assigned] (KAFKA-6646) Add a GlobalKStream object type for stream event broadcast

["Hrishi Baskaran (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KAFKA-6646?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hrishi Baskaran reassigned KAFKA-6646:
--------------------------------------

    Assignee:     (was: Hrishi Baskaran)

> Add a GlobalKStream object type for stream event broadcast
> ----------------------------------------------------------
>
>                 Key: KAFKA-6646
>                 URL: https://issues.apache.org/jira/browse/KAFKA-6646
>             Project: Kafka
>          Issue Type: New Feature
>          Components: streams
>    Affects Versions: 1.1.0
>            Reporter: Antony Stubbs
>            Priority: Major
>              Labels: api, needs-kip
>
> There are some use cases where having a global KStream object is useful. For example, where a single event is sent, with very low frequency, to a cluster of Kafka stream nodes to trigger all nodes to do some processing of state stored on their instance.
> Workaround currently is to either create a second kstream app instance, being careful to configure it with a different state dir, and give it a unique app name per instance, then create a kstream in each one. Or - you can use the normal consumer client inside your kstream app with unique consumer groups.



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